New Options for Shared FoldersDropbox updated today with a new folder-sharing feature. When users share a folder, they can now choose whether or not to let recipients invite other users. This also works with folders that are already being shared. [Dropbox Blog]

Barnes & Noble Introduces Nook for WebBarnes & Noble launched Nook for Web today, a platform where users can read Nook books right from their web browsers. The company plans to compete head-on with Kindle's Cloud Reader, Apple's iBooks, and Kobo's Instant Reader with the launch of this new service. [Business Wire]